Base | Representation |
---|---|
bin | 10101110100100110… |
… | …010010101000000100 |
3 | 2020110221121201101002 |
4 | 111310212102220010 |
5 | 340441321000200 |
6 | 14433012152432 |
7 | 1456433323415 |
oct | 256446225004 |
9 | 66427551332 |
10 | 23431031300 |
11 | 9a3422a686 |
12 | 465b008718 |
13 | 2295476c81 |
14 | 11c3c4d80c |
15 | 9220a2bd5 |
hex | 574992a04 |
23431031300 has 18 divisors (see below), whose sum is σ = 50845338138. Its totient is φ = 9372412480.
The previous prime is 23431031279. The next prime is 23431031321. The reversal of 23431031300 is 313013432.
It is an interprime number because it is at equal distance from previous prime (23431031279) and next prime (23431031321).
It can be written as a sum of positive squares in 3 ways, for example, as 58125376 + 23372905924 = 7624^2 + 152882^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117155057 + ... + 117155256.
Almost surely, 223431031300 is an apocalyptic number.
23431031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23431031300 is an abundant number, since it is smaller than the sum of its proper divisors (27414306838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23431031300 is a wasteful number, since it uses less digits than its factorization.
23431031300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234310327 (or 234310320 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 23431031300 its reverse (313013432), we get a palindrome (23744044732).
The spelling of 23431031300 in words is "twenty-three billion, four hundred thirty-one million, thirty-one thousand, three hundred".
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